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2026-03-18 - 08:37
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Wed Mar 18, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16895216496,7sleep20-21swapper/219:06:012
16903212464,7sleep00-21swapper/019:06:070
168692118109,6sleep10-21swapper/119:05:401
168912116104,7sleep30-21swapper/319:05:583
176742670,1sleep30-21swapper/319:35:183
177072660,1sleep317712-21cpuspeed_turbos20:05:123
311542640,0sleep20-21swapper/200:35:152
118562640,0sleep10-21swapper/123:20:181
56722600,1sleep340-21ksoftirqd/323:40:223
204292600,0sleep30-21swapper/321:30:183
197332590,0sleep20-21swapper/222:55:192
310442580,0sleep10-21swapper/123:35:191
252762580,1sleep30-21swapper/320:40:133
326622570,0sleep00-21swapper/020:15:180
301672520,0sleep20-21swapper/219:45:182
1738499320,31cyclictest0-21swapper/220:50:112
17379993128,2cyclictest0-21swapper/122:00:131
1737999270,26cyclictest0-21swapper/122:11:411
1738499260,25cyclictest0-21swapper/221:59:172
1738499260,25cyclictest0-21swapper/200:02:012
1737599260,25cyclictest0-21swapper/000:03:250
17384992523,2cyclictest0-21swapper/220:42:322
17384992518,7cyclictest0-21swapper/222:41:172
1738499250,24cyclictest0-21swapper/221:12:312
17379992521,3cyclictest0-21swapper/121:41:211
17379992521,3cyclictest0-21swapper/121:41:201
17379992518,7cyclictest0-21swapper/100:16:431
1737999250,24cyclictest0-21swapper/100:36:451
17375992521,3cyclictest0-21swapper/020:22:130
1738499241,22cyclictest0-21swapper/222:47:512
17379992417,7cyclictest0-21swapper/122:44:201
1737999240,23cyclictest0-21swapper/123:12:421
17375992420,3cyclictest0-21swapper/000:28:010
17384992321,2cyclictest0-21swapper/223:43:432
1738499231,21cyclictest0-21swapper/222:25:562
17379992321,2cyclictest0-21swapper/100:03:161
17375992321,1cyclictest27533-21awk23:34:590
1737599230,22cyclictest0-21swapper/000:30:280
17384992220,2cyclictest0-21swapper/221:07:532
17384992218,3cyclictest0-21swapper/220:11:162
17384992218,3cyclictest0-21swapper/219:29:252
1738499221,3cyclictest0-21swapper/221:04:462
1738499221,20cyclictest0-21swapper/221:35:442
1738499220,3cyclictest0-21swapper/223:39:342
1738499220,21cyclictest0-21swapper/222:22:002
1738499220,21cyclictest0-21swapper/221:49:502
1738499220,21cyclictest0-21swapper/220:25:592
1738499220,21cyclictest0-21swapper/200:15:312
1738499220,16cyclictest0-21swapper/223:32:492
1737999227,9cyclictest0-21swapper/122:20:101
17379992220,2cyclictest0-21swapper/119:46:161
17379992219,3cyclictest0-21swapper/121:58:561
1737999220,21cyclictest0-21swapper/123:51:311
1737999220,21cyclictest0-21swapper/123:33:361
1737999220,21cyclictest0-21swapper/123:16:421
1737999220,21cyclictest0-21swapper/122:51:131
1737999220,21cyclictest0-21swapper/122:06:391
1737999220,21cyclictest0-21swapper/120:56:371
1737999220,21cyclictest0-21swapper/120:44:161
1737999220,21cyclictest0-21swapper/120:30:131
1737999220,21cyclictest0-21swapper/119:12:571
1737999220,21cyclictest0-21swapper/100:13:311
1737999220,21cyclictest0-21swapper/100:05:461
1737599220,20cyclictest0-21swapper/020:40:190
1737599220,16cyclictest0-21swapper/019:15:540
1738499210,3cyclictest0-21swapper/220:06:252
1738499210,3cyclictest0-21swapper/219:24:372
1738499210,20cyclictest0-21swapper/222:10:382
1738499210,20cyclictest0-21swapper/220:31:012
1738499210,20cyclictest0-21swapper/219:12:182
17379992119,2cyclictest0-21swapper/123:57:001
17379992119,2cyclictest0-21swapper/122:38:081
17379992119,2cyclictest0-21swapper/100:23:521
17379992118,3cyclictest0-21swapper/122:19:151
1737999210,20cyclictest0-21swapper/123:45:131
1737999210,20cyclictest0-21swapper/122:58:331
1737999210,20cyclictest0-21swapper/121:20:471
1737999210,20cyclictest0-21swapper/121:11:341
1737999210,20cyclictest0-21swapper/120:47:221
1737999210,20cyclictest0-21swapper/120:35:401
1737999210,20cyclictest0-21swapper/120:29:381
1737999210,20cyclictest0-21swapper/119:52:101
1737999210,20cyclictest0-21swapper/119:37:041
1737999210,19cyclictest4337-21awk19:25:011
1737999210,15cyclictest0-21swapper/121:54:281
1737599218,9cyclictest0-21swapper/000:05:180
17375992119,2cyclictest0-21swapper/022:00:180
17375992119,1cyclictest749-21snmpd21:14:080
17375992117,3cyclictest0-21swapper/019:35:000
1737599210,21cyclictest0-21swapper/022:12:090
1737599210,20cyclictest0-21swapper/023:53:550
1737599210,20cyclictest0-21swapper/000:17:040
60752208,3sleep30-21swapper/321:47:093
1738499205,9cyclictest0-21swapper/221:20:232
1738499205,14cyclictest0-21swapper/222:30:152
17384992018,1cyclictest749-21snmpd23:54:102
17384992018,1cyclictest749-21snmpd23:10:392
17384992018,1cyclictest749-21snmpd20:56:072
17384992018,1cyclictest749-21snmpd19:56:492
17384992018,1cyclictest749-21snmpd00:32:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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